Progressive Building Society Cash ISA Review

An instant access cash ISA from Progressive Building Society. It ranks 81st of 132 instant access cash ISAs we track.

Variable rate

2.50%AER

Protection

FSCS£120,000

Min balance

£1

Max balance

£20,000

Access

Instant

Interest paid

Yearly

Transfers in

Accepted

Rate Tiers

£1 – £119,999

2.35%AER

£120,000+

2.50%AER

How It Stacks Up

Ranks 81st of 132

Instant access cash ISAs we track

Below average
This account 2.50%
UK CPI (Aug 2026)
3.10%
Pays 0.60% less
Average instant access cash ISA
2.93%
Pays 0.43% less
Best instant access cash ISA
4.87%
Pays 2.37% less

Inflation: ONS. Averages and best rates: accounts on DepositScout.

A better-paying alternative

Trading 212 bank logo

Trading 212

Cash ISA

4.80%

AER

  • Pays 2.30% more than this Progressive Building Society account
  • Includes a 1.20% bonus for 12 months, then 3.60%
Compare Cash ISAs

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A Good Fit For

  • Pro: New and existing savers
  • Pro: Savers who want instant access
  • Pro: Flexible: take money out and put it back in the same tax year without using more allowance

Worth Weighing Up

  • Con: The rate is variable, so it can go down

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Estimated returns with Progressive Building Society's Cash ISA

What you could earn with Progressive Building Society's Cash ISA.

Estimated interest

£1,000 saved

£23.50

At 2.35% AER

£5,000 saved

£118

At 2.35% AER

£10,000 saved

£235

At 2.35% AER

£20,000 saved

£470

At 2.35% AER

Estimated over one year, if the rate stays the same and interest is left in. Amounts outside the account's minimum or maximum aren't shown.

Our Expert Opinion on Progressive Building Society Cash ISA

Jonny PeaseCo-Founder, DepositScout

Progressive Building Society's Cash ISA pays 2.50%, but only if you hold £120,000 or more; balances between £1 and £119,999 earn a lower 2.35%. Both tiers sit below the market average for Cash ISAs, trailing the category leader by 2.75%, and the headline rate is also 0.60% below CPI inflation of 3.1% for Aug 2026, so your money is losing real value. The £20,000 maximum balance cap is another constraint worth noting. If you want instant access within an ISA, Tembo's HomeSaver Cash ISA at 3.00% or Monzo's Instant Access Cash ISA at 2.75% are worth a look instead.

Compare Cash ISAs

2 alternatives to Progressive Building Society's Cash ISA

Same type of account, closest on rate.

Common questions about the Cash ISA

D

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